JOURNAL OF AGRICULTURAL SCIENCE. Vol. IX. No. 4. 



PLATE XIII 







^■^-A-^ 

 ** 



'*■- - 





> V- 



■f'^ 



_ ^*«, 



:^*^ 



■r^^i 





:-n^-i ^ l-'Jl 



' '■' '' •^i.'-J'V-^.iV > 



••Q." 



■"^^^^^ - ■ 



Ctt-'^-V^T^-^.lC 







' R." Photographs " P, " " Q ' and " R " show bare patches in turnip field, caused by mine water 

 overflowing from leat shown at top of photographs. 



